DE69210816D1 - Verfahren zur Entfernung von abgelagerten Verunreinigungen in einem organischen Strom zur Erzeugung reiner Phosphorsäure - Google Patents

Verfahren zur Entfernung von abgelagerten Verunreinigungen in einem organischen Strom zur Erzeugung reiner Phosphorsäure

Info

Publication number
DE69210816D1
DE69210816D1 DE69210816T DE69210816T DE69210816D1 DE 69210816 D1 DE69210816 D1 DE 69210816D1 DE 69210816 T DE69210816 T DE 69210816T DE 69210816 T DE69210816 T DE 69210816T DE 69210816 D1 DE69210816 D1 DE 69210816D1
Authority
DE
Germany
Prior art keywords
organic stream
phosphoric acid
pure phosphoric
produce pure
water
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69210816T
Other languages
English (en)
Other versions
DE69210816T2 (de
Inventor
Moreno Roberto Romero
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foret SA
Original Assignee
Foret SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Foret SA filed Critical Foret SA
Publication of DE69210816D1 publication Critical patent/DE69210816D1/de
Application granted granted Critical
Publication of DE69210816T2 publication Critical patent/DE69210816T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/46—Preparation involving solvent-solvent extraction
    • C01B25/461—Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound
    • C01B25/465—Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound the extracting agent being an ester or a mixture of esters
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/46—Preparation involving solvent-solvent extraction
    • C01B25/461—Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Extraction Or Liquid Replacement (AREA)
DE69210816T 1992-07-31 1992-07-31 Verfahren zur Entfernung von abgelagerten Verunreinigungen in einem organischen Strom zur Erzeugung reiner Phosphorsäure Expired - Fee Related DE69210816T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP92500099A EP0580915B1 (de) 1992-07-31 1992-07-31 Verfahren zur Entfernung von abgelagerten Verunreinigungen in einem organischen Strom zur Erzeugung reiner Phosphorsäure

Publications (2)

Publication Number Publication Date
DE69210816D1 true DE69210816D1 (de) 1996-06-20
DE69210816T2 DE69210816T2 (de) 1997-01-02

Family

ID=8211825

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69210816T Expired - Fee Related DE69210816T2 (de) 1992-07-31 1992-07-31 Verfahren zur Entfernung von abgelagerten Verunreinigungen in einem organischen Strom zur Erzeugung reiner Phosphorsäure

Country Status (3)

Country Link
EP (1) EP0580915B1 (de)
AT (1) ATE138046T1 (de)
DE (1) DE69210816T2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110540179A (zh) * 2019-09-03 2019-12-06 贵州开磷集团矿肥有限责任公司 一种湿法磷酸及其衍生产品的有害元素脱除方法及设备

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1531487A (fr) * 1967-05-11 1968-07-05 Pechiney Saint Gobain Procédé continu perfectionné de purification de l'acide phosphorique par les solvants
FR2132203B1 (de) * 1971-03-29 1977-07-22 Uss Eng & Consult
US4108963A (en) * 1974-06-25 1978-08-22 Produits Chimiques Ugine Kuhlmann Process for purifying phosphoric acid
US4311681A (en) * 1980-05-19 1982-01-19 Fmc Corporation Method of regenerating phosphoric acid extraction solvent

Also Published As

Publication number Publication date
DE69210816T2 (de) 1997-01-02
EP0580915B1 (de) 1996-05-15
ATE138046T1 (de) 1996-06-15
EP0580915A1 (de) 1994-02-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee